His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
Oxygen-breathing critters might be more plausible than we thought.
The news isn't great, but it's not a showstopper either.
Shower your friends with meteor facts.
We think you can, Opportunity.
Don't you want to meet them?
Heat and drills will help us probe for alien microbes
A look behind the scenes of NASA's advanced solar probe
Seeking a distant pale blue dot
Short answer: It depends who you ask
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
This year's missions to the outer solar system are set to shake up the planetary family tree
A curved line marked the planet's surface for four days
Can you paint with all the colors of food dye?
Hot new evidence
Welcome to orbit, Akatsuki
Hints of a subsurface ocean of H2O
It's time to return to our hellish neighbor.
It's called a conjunction, and it sure is pretty
More than a light Venusian breeze.
The upper atmosphere of Venus is surprisingly similar Earth.
So close we might even be able to measure its wind speeds, GJ 1132b is a very important exoplanet
Now if only we can get Lando Calrissian to spearhead the project